11830997 has 8 divisors (see below), whose sum is σ = 12565656. Its totient is φ = 11100672.

The previous prime is 11830991. The next prime is 11831021. The reversal of 11830997 is 79903811.

11830997 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1164241 + 10666756 = 1079^2 + 3266^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11830997 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11830997.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11830991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5873 + ... + 7625.

It is an arithmetic number, because the mean of its divisors is an integer number (1570707).

Almost surely, 2^11830997 is an apocalyptic number.

11830997 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

11830997 is a deficient number, since it is larger than the sum of its proper divisors (734659).

11830997 is a wasteful number, since it uses less digits than its factorization.

11830997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2167.

The product of its (nonzero) digits is 13608, while the sum is 38.

The square root of 11830997 is about 3439.6216361687. The cubic root of 11830997 is about 227.8629845188.

The spelling of 11830997 in words is "eleven million, eight hundred thirty thousand, nine hundred ninety-seven".